SUNNYVALE, Calif. — As a scientist working for NASA in the 1990s, K. R. Sridhar developed a contraption that could use energy from the sun to transform the elements of the Martian atmosphere into breathable air or propulsion fuel.
It passed all its tests, but a planned mission to send it to Mars in 2001 was canceled and Dr. Sridhar moved on, looking to apply what he had learned to help stem climate change on earth instead. Read more – www.nytimes.com
